Institution
Riga Technical University
Recent research
- Engineering & TechnologyOpen access
The present paper reports development of a novel concept of electromagnetic induction heating system for manufacturing of high-performance carbon fiber reinforced polymer (CFRP) composites. The proposed induction heating system consists of several key parts such as medium-to-high...
- Society & EconomicsOpen access
Partner and Partnership in Society: Basic Elements and Structural Functional Models
The relevance of the study is related to the importance of partnerships in meeting needs and their role in ensuring socio-economic, political, and security stability. In modern conditions, the level of partnership formation in several socially significant areas is still insuffici...
- Engineering & Technology
Abstract Residual solvents are an often-overlooked factor that may influence the triboelectric performance of solution-processed polymer films. Here, the effect of solvent evaporation dynamics on triboelectric charging was investigated using poly(vinylidene fluoride) (PVDF)/N,N-d...
- BiologyOpen access
Global agricultural and forestry processing industries generate vast quantities of bio-based residuals and organic side products annually, prompting a critical need for sustainable material repurposing. This study investigates the thermal performance of environmentally friendly,...
- Engineering & TechnologyOpen access
ABSTRACT Liquid‐metal‐derived 2D materials have emerged as a versatile class of ultrathin systems enabled by dynamic and chemically active liquid metal interfaces. The atomically smooth, self‐limiting surface layers formed at these interfaces provide unique pathways for the synth...
- Engineering & TechnologyOpen access
Slotless permanent magnet synchronous motors are attractive for precision electric-drive applications because eliminating stator slots can suppress slotting-related torque disturbances; however, their analytical performance relationships require experimental verification under re...
- AI & Computing
Comparative analysis of AI models for cost prediction and feature importance in construction
Purpose The construction industry has always been plagued by a high number of uncertainties; due to this, cost overruns are the most frequent challenge. To address this problem, this study aims to determine how the presence of risk increases the likelihood of cost overruns and to...
- BiologyOpen access
The aim of the study is to evaluate the effect of solvent polarity and extraction technique on the recovery of antioxidants from rhubarb (Rheum rhabarbarum) by-products with single-step – maceration, and ultrasound assisted extraction, and two-step extraction methods - Soxhlet ex...
- Materials & EnergyOpen access
Abstract The study presents a system-level validation framework for assessing the functional performance of the balance of plant (BOP) of a proton exchange membrane (PEM) electrolyser. The proposed approach addresses a methodological gap between individual component testing and v...
- Engineering & TechnologyOpen access
Probabilistic Characterisation of Service Lifetime of Ageing Infrastructures
Abstract Ageing infrastructures are increasingly exposed to deterioration mechanisms related to time, environmental conditions, and increasing operational demands. Ensuring their safety and serviceability therefore requires continuous monitoring and reliable methods to assess the...
- Climate & Environment
In Situ TEM Study of the Size-Dependent Solubility of Metals in Liquid Metal Nanodroplets
Abstract Characterizing metal solubilities in post-transition-based liquid metals remains challenging due to their inherent opacity to conventional light-based analytical techniques. In this work, we present an in situ heating methodology within a transmission electron microscope...
- Materials & EnergyOpen access
Exceptional points, lasing, and coherent perfect absorption in Floquet scattering systems
Abstract Periodically time-varying media, known as photonic time crystals (PTCs), provide a promising platform for observing unconventional wave phenomena. We analyze the scattering of electromagnetic waves from spatially finite PTCs using the multispectral Floquet scattering mat...
- Society & EconomicsOpen access
Driving is a task that demands a range of cognitive processes, both simple and complex. Detecting potential hazards is crucial to reducing traffic accidents. This study examined drivers’ perception of hazardous situations in virtual reality (VR). Fifty-two participants completed...
- Climate & EnvironmentOpen access
Ukraine entered the definitive period of the EU Carbon Border Adjustment Mechanism (CBAM) in January 2026 as the largest exporter of CBAM-covered goods to the EU by physical volume, while its industrial base remains under direct wartime pressure. This study provides the first str...
- Engineering & TechnologyOpen access
A&M based fractional delay and Doppler channel estimation in OTFS
Orthogonal time frequency space (OTFS) modulation is a candidate for low-density high-mobility communication (LDHMC) use case in sixth generation (6G) due to its robustness against Doppler effects. This paper presents a low-complexity channel estimation method based on the A&M fr...
- Engineering & TechnologyOpen access
Power Systems Transition Simulation Using Artificial Neural Networks and Surrogate Modelling
Transforming energy supply systems is essential for achieving a sustainable, carbon-neutral future. However, this transition substantially increases the complexity of long-term planning due to the large-scale integration of carbon-free energy sources, strong interactions among te...